Blade, particularly variable-pitch blade, propellor comprising such blades and corresponding turbomachine
AssigneeSnecma
InventorSebastien Pascal
Life of this patent
Estimating the term…
Abstract
A blade, configured to be mounted on a hub of a turbomachine propeller so that an empty space is defined between a base of the blade and a face of the hub facing the base. The blade includes a retractable blanking mechanism configured to reversibly occupy at least one of following two positions: a deployed position in which the retractable blanking mechanism at least partially closes off the empty space; and an extreme retracted position in which the retractable mechanism is kept out of the empty space.
Claims15
1-13. (canceled)
A vane, configured to be mounted on a hub of a propeller of a turbine engine such that an empty space is defined between a base of the vane and a face of the hub opposite the base, the vane comprising:
- retractable closure means configured to occupy, in a reversible manner, at least one of following two positions:
- a deployed position in which the retractable closure means closes, at least in part, the empty space;
- and
- an extreme retracted position in which the retractable means is held outside the empty space.
A vane, which is a variable-pitch vane.
Dependencies are inferred from the claim text.